The Testo 440 was launched at the AHR Expo in Chicago on January 21, 2018. There are many probes that can be attached to the same handle with wired and Bluetooth options. The video gives a quick demo on the 100mm Bluetooth vane probe. The hand held device is simple to use, clear and bright. More probes to come…To save on Testo products at TruTech Tools follow the preferred pricing link below. Happy HVACing
www.trutechtools.com save 8% using promo code “knowitall” at check out.
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Testo Preferred Pricing